http://news.scotsman.com/uk.cfm?id=2104732005
Craig Brown
"A team of professors at Southampton University used complex mathematical formulas to work out that a well-run system of bribery and corruption generates high profit margins. Furthermore, they say putting more police on the streets and toughening jail sentences even benefits real-life Godfathers because it has no effect on their operations but clamps down on petty criminals. "